Download CH 11 Chemical Reaction WS #2 (Pre

CH 11 Chemical Reaction WS #2 (Pre-lab) Name_____________________________
1. What is the Great Barrier Reef and how was it formed?
2. Define chemical reaction3. How is a chemical reaction different from a physical one? Provide examples to
support your explanation.
4. Explain how the appearance of the Statue of Liberty is an example of a chemical
reaction:
5. What are stalactites? Where can they be found? Have you seen stalactites other than
in a book, if so please share your experience with the class.
6. Give examples of chemical reactions that you have experienced today and yesterday in
your everyday life. If possible give the chemical equation for the reaction.
7. Have you ever experienced tarnished silver? How does it tarnish? How can we clean
tarnished silver using a single replacement reaction? Write the chemical equation for
tarnishing.
8. What is the difference between a word equation and formula equation?
9. How are these symbols used in a chemical equation? + ,→ ,s, l, g, aq, ↑,↓
10. How does a balanced chemical equation support the Law of Conservation of Mass?
11. How does one balance a chemical equation? What is a coefficient?
12. @class Write a chemical equation for the combustion of methane gas and underneath
the equation illustrate each reactant and product
13. @classWrite a balanced chemical equation for carbon disulfide reacting with oxygen
to produce carbon dioxide and sulfur dioxide. After completing the balanced equation
build the reactants using the molecular building kits. Now take them apart and rearrange
the atoms to create the products. How does your models illustrate the law of
conservation of matter?
14. Write a balanced chemical equation for the aqueous reaction of sodium phosphate and
iron(II) chloride. “Do Si Do” Use solubility table to determine the states of the products
15. Write a balanced chemical equation for the reaction in which aluminum metal reacts
with oxygen to produce aluminum oxide.
16. Write a balanced chemical equation for the reaction of liquid bromine and aqueous
aluminum iodide
17. Write a chemical equation for sodium metal reacting with chlorine gas forming solid
sodium chloride. What type of reaction is this and why?
18. Marble is calcium carbonate. Marble when heated can form calcium oxide and
carbon dioxide. Write a balanced chemical equation for this reaction. What type of
reaction is this and why?
19. Joseph Priestley discovered oxygen when he decomposed mercury(II) oxide into
mercury and oxygen. Write a balanced chemical equation for this reaction. What type of
reaction is this and why?
20. What happens when an iron nail is placed in a solution of copper(II) sulfate? Write a
balanced chemical equation for this reaction. What type of reaction is this and why?
21. Ethanol burns in oxygen to produce carbon dioxide and water. Write a balanced
chemical equation for this reaction. What type of reaction is this and why? What is E85?
Pre-labs for the CH11 Chemical Reaction Lab
Your goal is to classify chemical reactions and predict the products.
7 -Types of Chemical Reactions
In your own words explain each type of reaction and provide an example for each type.
What is key for each one of these reactions?
1. Direct Combination
2. Decomposition
3. Single Replacement, Metal replaces metal
4. Single Replacement, Non-metal (halogen) replaces non-metal(halogen)
5. Double Replacement – Precipitate Reaction
6. Double Replacement – Acid/Base Reaction or Neutralization Reaction
7. Combustion of a Hydrocarbon